/**************************************************************************
***    
*** Copyright (c) 1995-2000 Regents of the University of California,
***               Andrew E. Caldwell, Andrew B. Kahng and Igor L. Markov
*** Copyright (c) 2000-2002 Regents of the University of Michigan,
***               Saurabh N. Adya and Igor L. Markov
***
***  Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu
***  Original Affiliation:   UCLA, Computer Science Department,
***                          Los Angeles, CA 90095-1596 USA
***
***  Permission is hereby granted, free of charge, to any person obtaining 
***  a copy of this software and associated documentation files (the
***  "Software"), to deal in the Software without restriction, including
***  without limitation 
***  the rights to use, copy, modify, merge, publish, distribute, sublicense, 
***  and/or sell copies of the Software, and to permit persons to whom the 
***  Software is furnished to do so, subject to the following conditions:
***
***  The above copyright notice and this permission notice shall be included
***  in all copies or substantial portions of the Software.
***
*** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
*** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
*** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
*** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
*** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
*** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
*** THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***
***
***************************************************************************/






//created by Igor Markov on 06/07/98

#ifndef __TALLIESWCOSTS_WWEIGHTS_2WAY_H__
#define __TALLIESWCOSTS_WWEIGHTS_2WAY_H__

#include <iostream>
#include "talliesWCosts2way.h"

class TalliesWCostsWWeights2way : public TalliesWCosts2way
// not a functional evaluator
// only a maintenance facility with generic cost evaluation
{
  void reinitializeProper() {};

protected:

  vector<unsigned> _netWeights;
  unsigned         _maxNetWeight;
  void setNetWeights();

public:

// ctors call reinitializeProper()
  TalliesWCostsWWeights2way(const PartitioningProblem&, const Partitioning&, 
             unsigned terminalsCountAs=0);
  TalliesWCostsWWeights2way(const PartitioningProblem&, unsigned terminalsCountAs=0);
  TalliesWCostsWWeights2way(const HGraphFixed&, const Partitioning&, 
             unsigned terminalsCountAs=0);

  unsigned getNetWeight(unsigned netIdx) const { return _netWeights[netIdx]; }

   virtual ~TalliesWCostsWWeights2way() {};

   void reinitialize() { TalliesWCosts2way::reinitialize(); }

//   derived classes need to call 
// virtual void TalliesWCosts2way::updateAllCosts();
//   in the end of reinitializeProper()

  virtual ostream& prettyPrint(ostream&) const;
};

 // this way, op<< can be ``inherited'' w/o pain
 inline ostream& operator<<(ostream& os, const TalliesWCostsWWeights2way& nt) 
 { return nt.prettyPrint(os);}

#endif
